ZT-JD011QDouble Clamp Grounding Resistance Tester Digital Earth Resistance Tester Clamp Digital Ground Resistance Tester

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Product Overview



Product overview:
Operating Temperature: -10~40 Degree Measuring Range:AC 0.00mA~600AAccuracy Class:0.00mA Testing Voltage: 0~600VDisplay Type:
Digital Only Power Supply:DC 7.4V 2600mAh rechargeable lithium batteryTest Frequency:128Hz/111Hz/105Hz/94Hz(AFC) Total Weight:
6690g(include package)Short-circuit Test Current: AC 20mA max Open-circuit Test Current: AC 40V maxData Storage: 2000 sets Test
Voltage Wave: Sine wave Data Hold: Data hold function: "HOLD" symbol displayData Access: Data read function: "READ" symbol display
Auxiliary Earth Rod: 4PCS:10mm*150mm

Product parameters

2/3/4 pole method measure grounding resistance(R)
Range:0.00Ω~30.00Ω;   Resolution:0.01Ω;   Accuracy:±2%rdg±3dgt
Range:30.0Ω~300.0Ω;   Resolution:0.1Ω;     Accuracy:±2%rdg±3dgt
Range:300Ω~3000Ω;     Resolution:1Ω;        Accuracy:±2%rdg±3dgt
Range:3.00kΩ~30kΩ;     Resolution:10Ω;     Accuracy:±4%rdg±3dgt
Selection method measure grounding resistance(R)
Range:0.00Ω~30.00Ω;   Resolution:0.01Ω;   Accuracy:±2%rdg±3dgt
Range:30.0Ω~300.0Ω;   Resolution:0.1Ω;     Accuracy:±2%rdg±3dgt
Range:300Ω~3000Ω;     Resolution:1Ω;        Accuracy:±2%rdg±3dgt
Grounding Voltage
Range:0.0~100V AC;     Resolution:0.1V;      Accuracy:±2%rdg±3dgt
AC current
Range:0.00mA~600.0A Resolution:0.1mA; Accuracy:+2%rdg士3dgt

Grounding Voltage
Range:0.0~100V AC;    Resolution:0.1V;    Accuracy:±2%rdg±3dgt
AC current
Range:0.00mA~600.0A Resolution:0.1mA; Accuracy:+2%rdg士3dgt

Soil Resistivity(p)
Range:0.00Ωm~99.99Ωm;    Resolution:0.01Ωm

Accuracy :According to the precision of R(ρ=2TaR, a:1 m-100m, π=3.14)
Range:100.0Ωm~999.9Ωm;  Resolution:0.1Ωm
Range:1000Ωm~9999Ωm;    Resolution:1Ωm
Range:10.00km~99.99kΩm;  Resolution:10Ωm
Range:100.0kΩm~999.9kΩm; Resolution:100Ωm
Range:1000kΩm~9000kΩm;   Resolution:1kΩm

Measuring Method
2/3/4 pole method measurement: Change-pole method, measure current 20mA Max
Selection method measurement: Change-pole method,measure current 20mA Max
Double clamp method measurement mutual inductance method, measure current 1mA
Soil Resistivity: wenner 4-pole measurement method 
Grounding Voltage: Average rectification(between P(S)-ES interface)
Ac current: Clamp mutual inductance method
Power Supply
DC7.4V 2600mAh rechargeable lithium battery
Test Frequency
Short-circuit Test Current
AC 20mA max
Open-circuit Test Current
AC 40V max
Data Storagt
2000 sets
Test Voltage Wave
Sine wave
Data Hold
Data hold function:"HOLD"
symbol display
Data Access
Data read function: “READ" symbol display
Overload Display
Exceeding measuring range overflow function:"oL"symbol display
Current Clamp
Tester Dimension
LcD Dimension
LCD Frame Dimension: 128mmx75mm;LCD Display Dimension:124mmx67mm

Total Weight
6690g(include package)
Testing Wires
Six wires: each for Red 20m, black 20m, yellow 10m, green 10m, red 1.6m, black 1.6m
Working Current
System standby: around 45mA(Backlight shut off 25mA); Measurement:100mA(acklight shut off)
Auxiliary Earth Rod
USB Interface
USB interface,software supervision, storage data can be uploaded to computer, saved and printed
lnterference Test
Automatic recognition of interference signal , interference voltage higher than 5V will display “NolsE" symbol
Auxiliary Grounding Test
Auxiliary ground resistance test function: 0.00kQ~30KQ(100R+rC<50kΩ,100R+rp<50kΩ)
Alarm Function
Measuring value exceeds alarm setting value, will ""Toot-toot-toot" alarm hint
Battery voltage
While battery voltage decreases to around 7.5V, will display battery voltage lowsymbo and reminding to replace the battery
Overload Protection
Measuring earth resistance: between each interfaces of C(H)-E,P(S)-E S,AC 280V/3seconds
Protection Level
IP65(close the case status)
Tester:1PC;Current Clamp Sensor:2pcs; Grounding Rod:4PCS;Testing Wire:6PCS;USB data transmission line:1PCS; Software disk:1PCS;
Tester bag:1PCS; Specialcharger:1PCS

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